| // CWG issue 2310 | |
| // { dg-do compile { target c++11 } } | |
| template<typename A, typename B> struct check_derived_from { | |
| static A a; | |
| static constexpr B *p = &a; // { dg-error "cannot convert" } | |
| int ar[p-p+1]; // { dg-error "13:size of array is not an integral constant-expression" } | |
| }; | |
| struct W { int i; }; | |
| struct Z : W | |
| { | |
| check_derived_from<Z, W> cdf; | |
| }; |